*{
    margin: 0;
    padding: 0;
}
.clearfix:after {
    content: '';
    display: table;
    clear: both;
}
html,body{
    width: 100%;
    height: 100%;
    position: relative;
}
.extension1{
    width: 100%;
    height: 36px;
    /* background: palevioletred; */
    position: fixed;
    top:0;
    left: 0;
    z-index: 2;
    background: #000;
}
.banner-header{
   width: 1264px;
   height: 36px;
   /* background: palevioletred; */
   margin: 0 auto;
   display: flex;
   justify-content: space-between;
   background: #000;
}
.banner-header-left{
    width: 276px;
    height: 36px;
    /* background: peru; */
    display: flex;
   justify-content: space-between;
}
.banner-header-left a{
    font-size: 12px;
    text-decoration:none;
    line-height: 36px;
    color: #fff;
}
.banner-header-right{
    width: 335px;
    height: 36px;
    /* background: coral; */
}
.banner-header-right a{
    text-decoration: none;
    font-size: 12px;
    padding: 0 12px;
    line-height: 36px;
    color: #fff;
}
.banner-header2{
    width: 1264px;
    height: 84px;
    /* background: purple; */
    margin: 0 auto;
    color: #fff;
}
.banner-header2-left{
    width: 300px;
    height: 84px;
    float: left;
}
.banner-header2-left img{
    width: 300px;
    height: 60px;
    margin: 12px 0;
}
.banner-header2-middle{
    width: 620px;
    height: 84px;
    /* background: peru; */
    float: left;
    margin-left: 30px;
    line-height: 84px;
}
.banner-header2-middle a{
    text-decoration: none;
    font-size: 14px;
    margin-right: 37px;
    color: #000;
}
.banner-header2-right{
    width: 127px;
    height: 20px;
    padding: 8px 16px;
    border-radius: 20px;
    background: #ccc;
    float: right;
    margin: 24px 0;
    color: rgba(0, 0, 0, .3);
}
.extension2{
    width: 100%;
    background: #fff;
    position: fixed;
    top: 34px;
    left: 0;
    z-index: 2;
    border-bottom: 1px solid rgba(0, 0, 0, .08);
}
.product1{
    width: 1264px;
    height: 1000px;

    margin: 161px auto;
}
.product2{
    width: 600px;
    height: 600px;
    background-color: palevioletred;
    float: left;
}
.product3{
    width: 600px;
    height: 600px;
    float: right;
}
.product4{
    width: 600px;
    height: 42px;
    font-size: 28px;
    font-weight: 400;
    color: #000;
}
.product5{
    font-size: 36px;
    color: #f34141;
    font-weight: 500;
    margin-top: 195px;
}
.product6{
    width: 600px;
    height: 76px;
    margin-top: 30px;
}
.product7{
    width: 600px;
    height: 24px;
    margin:32px 0 12px;
}
.product8{
    width: 123px;
    height: 40px;
}
.product9{
    float: left;
    width: 40px;
    height: 40px;
    border-style: none;
    background: #f7f8fa;
    border-radius: 6px;
}
.product10{
    float: left;
    width: 43px;
    height: 30px;
    border-style: none;
    background-color: #fff;
    font-size: 20px;
    font-weight: 400;
    color: #333;
    text-align: center;
    margin-top: 5px;
}
.product11{
    float: left;
    width: 40px;
    height: 40px;
    border-style: none;
    background: #f7f8fa;
    border-radius: 6px;
}
.product12{
    width: 190px;
    height: 64px;
    padding: 0 16px;
    border: 1px solid rgba(0,0,0,.1);
    border-radius: 66px;
    font-size: 18px;
    font-weight: 500;
    color: #262626;
    margin-top: 65px;
    line-height: 64px;
    text-align: center;
}